Capital Stock Transactions (Tables)

12 Months Ended

Dec. 31, 2015

Capital Stock Transactions [Abstract]

Schedule Of Capital Stock Repurchases

		For the Years Ended December 31,
		2015		2014		2013
Total cost of repurchased shares (in thousands):	$	59,323	$	110,019	$	92,911
Shares repurchased		460,765		1,182,934		1,356,344
Weighted average price per share	$	128.75	$	93.01	$	68.50